Changeset 1215 for trunk/locker/deploy/bin/onserver.pm

Timestamp:

Jun 30, 2009, 4:54:48 PM (14 years ago)

Author:

ezyang

Message:

Implement enhanced logic for Git-style installs; namely, removing patching facilities that are built into Git and generating an empty commit when performing the install to subsume .scripts-version.

File:

• trunk/locker/deploy/bin/onserver.pm (modified) (2 diffs)

trunk/locker/deploy/bin/onserver.pm

@@ -9 +9 @@
 use POSIX qw(strftime);
 use LWP::UserAgent;
+use IPC::Open2;
 use URI;
 our @ISA = qw(Exporter);
@@ -127 +128 @@
   }
   
-  open(VERSION, ">.scripts-version") or die "Can't write scripts-version file: $!\n";
-  print VERSION strftime("%F %T %z\n", localtime);
-  print VERSION $ENV{'USER'}, '@', getclienthostname(), "\n";
-  my $tarball = abs_path("/mit/scripts/deploy$scriptsdev/$deploy.tar.gz");
-  print VERSION $tarball, "\n";
-  $tarball =~ s|/deploydev/|/deploy/|;
-  print VERSION dirname($tarball), "\n";
-  close(VERSION);
+  if(-e "/mit/scripts/wizard$scriptsdev/srv/$deploy.git") {
+    # fake an empty commit to get version info
+    my $pid = open2(\*GIT_OUT, \*GIT_IN, "git commit-tree HEAD: -p HEAD") or die "Can't execute git process";
+    print GIT_IN "User autoinstalled application\n";
+    print GIT_IN "Installed-by: ", $ENV{'USER'}, '@', getclienthostname(), "\n";
+    close(GIT_IN);
+    my $hash=<GIT_OUT>;
+    chomp($hash);
+    close(GIT_OUT);
+    waitpid $pid, 0; # reap zombies
+    system("git reset $hash");
+  } else {
+    open(VERSION, ">.scripts-version") or die "Can't write scripts-version file: $!\n";
+    print VERSION strftime("%F %T %z\n", localtime);
+    print VERSION $ENV{'USER'}, '@', getclienthostname(), "\n";
+    my $tarball = abs_path("/mit/scripts/deploy$scriptsdev/$deploy.tar.gz");
+    print VERSION $tarball, "\n";
+    $tarball =~ s|/deploydev/|/deploy/|;
+    print VERSION dirname($tarball), "\n";
+    close(VERSION);
+  }
 
   select STDOUT;